empathy_contact_set_handle: remove the handle ready flag when the handle is set to 0
empathy_contact_set_handle: remove the handle ready flag when the handle is set to 0

From: Guillaume Desmottes <gdesmott@gnome.org>

svn path=/trunk/; revision=2719

GNOME/telepathy-account-widgets,Distrotech/telepathy-account-widgets,GNOME/telepathy-account-widgets,GNOME/telepathy-account-widgets,Distrotech/telepathy-account-widgets